30894224 has 20 divisors (see below), whose sum is σ = 60016620. Its totient is φ = 15406080.

The previous prime is 30894187. The next prime is 30894233. The reversal of 30894224 is 42249803.

It can be written as a sum of positive squares in 2 ways, for example, as 23232400 + 7661824 = 4820^2 + 2768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (3000831).

Almost surely, 2^30894224 is an apocalyptic number.

It is an amenable number.

30894224 is a deficient number, since it is larger than the sum of its proper divisors (29122396).

30894224 is a wasteful number, since it uses less digits than its factorization.

30894224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138 (or 5132 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 30894224 is about 5558.2572808390. The cubic root of 30894224 is about 313.7803648860.

The spelling of 30894224 in words is "thirty million, eight hundred ninety-four thousand, two hundred twenty-four".